I actadently had some calci sand on my hands from my hermit crabs cage on my hands when i reached in my tank, will my fish be ok?

From what I've observed (Because I now stalk this site daily).

Probably nothing, now if you had HANDFULLS of sand... maybe a different story haha. I was putting seashells in my tank for Drax, shells I THOUGHT I had cleaned fully but when I put them in the tank they all dumped a small amount of sand and debris. Drax seems fine, this was 3 days ago.

Keep up with the water changes and your fish should be fine--but, I would do some research on calci-sand. I have heard nothing but horrible stories about herps and inverts over-dosing on the type of calcium used in the product. It can also cause very dangerous impaction. Definitely do some research and rethink your use of this product.